へまをする act the fool●ass up〈卑〉●botch up●cock it up〈英俗〉●cock off〈英俗〉●do it●drop a ball〈俗〉●drop a brick [clanger]〈英話〉●fumble a ball●fumble around [about]●goof up〈米俗〉●jerk off●make a bad job of it●make a blunder●make a boo-boo [boob]●make a fluff●make sad work of it●muff it●pull a boner●put one's foot in [into] it [one's mouth]〔【直訳】自分の足を口に入れる〕●slip a cog●slip up●stink the joint out 【自他動】flub〈米〉 【自動】blunder●bobble●bodge●bumble●bungle●fluff●goof●mess●muff